Pinpoint Test B : P087A, P087B, P087E, P090A, P090B, P090C, P090D

WARNING: This page is about a different car, the 2018 Ford Focus. However, it is still accessible from the selected car via links, so may be relevant.

Refer to Transmission Controls - DPS6 for schematic and connector information.

Normal Operation and Fault Conditions

Clutch motor 2 is a 3 phase bi-directional DC motor that is controlled by the TCM. The TCM monitors the clutch motor position using three Hall-effect sensor inputs.

DTC Fault Trigger Conditions

DTC	Description	Fault Trigger Condition
TCM P087A:00	Clutch Position Sensor "B" Circuit: No Sub Type Information	Clutch motor B fault detected.
TCM P087B:00	Clutch Position Sensor "B" Circuit Range/Performance: No Sub Type Information	Clutch motor B hall effect sensor fault detected.
TCM P087E:00	Clutch Position Sensor "B" Circuit Intermittent: No Sub Type Information	Clutch motor B sequence fault detected.
TCM P090A:00	Clutch "B" Actuator Control Circuit/Open: No Sub Type Information	Open circuit detected on one of the 3 phase circuits.
TCM P090B:00	Clutch "B" Actuator Control Circuit Performance: No Sub Type Information	This DTC sets along with P090A, P090C and/or P090D. Used to turn on the wrench light.
TCM P090C:00	Clutch "B" Actuator Control Circuit Low: No Sub Type Information	Short to ground detected on one of the 3 phase circuits.
TCM P090D:00	Clutch "B" Actuator Control Circuit High: No Sub Type Information	Short to power detected on one of the 3 phase circuits.

Possible Sources

Connectors damaged or pushed-out terminals, corrosion, loose wires and missing or damaged seals
Clutch position sensor
Clutch motor
TCM
TCM ground

B1 READ AND RECORD ALL DTCS
- Using the diagnostic scan tool, retrieve all DTCs.
Are DTCs P087A, P087B, P087E, P090A, P090B, P090C and/or P090D present?

Yes For DTCs P087A, P087B and/or P087E, GO to B2 For DTCs P090A, P090B, P090C and/or P090D GO to B18

No REFER to: Special Testing Procedures . Clutch 2.

B2 CONFIRM TCM AND CLUTCH MOTOR CONNECTORS ARE LATCHED

Ignition OFF.

PUSH, PULL, CLICK C1634 to confirm the clutch motor is connected.

VERIFY C1750A is connected and the lock lever is in the lock position.

VERIFY C1750B is connected and the lock lever is in the lock position.

Are the clutch motor and TCM connectors fully connected?

Yes

GO to B3.

No	CONNECT the connectors and LOCK the lock levers on the clutch motors and the TCM. CLEAR the DTCs. Using the diagnostic scan tool, CARRY OUT the KOER self-test. If DTCs return, GO to B3

B3 CHECK THE HALL-EFFECT POWER CIRCUIT FOR VOLTAGE

Ignition OFF.

Disconnect Clutch Motor 2 C1634 .

Inspect the connector for damaged or pushed-out terminals, corrosion, loose wires and missing or damaged seals.

Ignition ON.

Measure:

Positive Lead	Measurement / Action	Negative Lead
C1634-1	Courtesy of FORD MOTOR COMPANY	Ground

Is the voltage is greater than 4.5 volts?

Yes

GO to B7

GO to B4

B4 CHECK THE HALL-EFFECT POWER CIRCUIT FOR AN OPEN

Ignition OFF.

Disconnect TCM C1750B .

Inspect the connectors for damaged or pushed-out terminals, corrosion, loose wires and missing or damaged seals.

Measure:

Positive Lead	Measurement / Action	Negative Lead
C1634-1	Courtesy of FORD MOTOR COMPANY	C1750B-55

Is the resistance less than 3 ohms?

Yes

GO to B5

No	REPAIR the circuit.

B5 CHECK THE HALL-EFFECT POWER CIRCUIT FOR A SHORT TO GROUND

Measure:

Positive Lead	Measurement / Action	Negative Lead
C1634-1	Courtesy of FORD MOTOR COMPANY	Ground

Is the resistance greater than 10, 000 ohms?

Yes

GO to B6

No	REPAIR the circuit.

B6 TEST FOR FAILED MECHANICAL COMPONENTS

Carry out GO to PINPOINT TEST N

Does PPT N indicate a failed component?

Yes	INSTALL new components as necessary.

No	INSTALL a new TCM . REFER to: Transmission Control Module (TCM) . PROGRAM the TCM with the latest calibration, REFER to: Transmission Control Module (TCM) Adaptive Learning .

B7 CHECK THE HALL-EFFECT GROUND CIRCUIT

Ignition ON.

Measure:

Positive Lead	Measurement / Action	Negative Lead
C1634-1	Courtesy of FORD MOTOR COMPANY	C1634-5

Is the voltage greater than 4.5 volts?

Yes

GO to B11

GO to B8

B8 CHECK THE HALL-EFFECT GROUND CIRCUIT FOR AN OPEN

Ignition OFF.

Disconnect TCM C1750B .

Inspect the connectors for damaged or pushed-out terminals, corrosion, loose wires and missing or damaged seals.

Measure:

Positive Lead	Measurement / Action	Negative Lead
C1634-5	Courtesy of FORD MOTOR COMPANY	C1750B-56

Is the resistances less than 3 ohms?

Yes

GO to B9

No	REPAIR the circuit.

B9 CHECK THE HALL-EFFECT GROUND CIRCUIT FOR A SHORT TO POWER

Ignition ON.

Measure:

Positive Lead	Measurement / Action	Negative Lead
C1634-5	Courtesy of FORD MOTOR COMPANY	Ground

Is any voltage present?

Yes	REPAIR the circuit.

GO to B10

B10 TEST FOR FAILED MECHANICAL COMPONENTS

Carry out GO to PINPOINT TEST N

Does PPT N indicate a failed component?

Yes	INSTALL new components as necessary.

No	INSTALL a new TCM . REFER to: Transmission Control Module (TCM) . PROGRAM the TCM with the latest calibration, REFER to: Transmission Control Module (TCM) Adaptive Learning .

B11 CHECK THE HALL-EFFECT SIGNAL CIRCUIT VOLTAGES

Ignition ON.

Measure:

Positive Lead	Measurement / Action	Negative Lead
C1634-2	Courtesy of FORD MOTOR COMPANY	Ground
C1634-3	Courtesy of FORD MOTOR COMPANY	Ground
C1634-4	Courtesy of FORD MOTOR COMPANY	Ground

Are the resistances greater than 10, 000 ohms?

Yes

GO to B15

GO to B12

B12 CHECK THE HALL-EFFECT SIGNAL CIRCUITS FOR AN OPEN

Disconnect TCM C1750B .

Inspect the connector for damaged or pushed-out terminals, corrosion, loose wires and missing or damaged seals.

Measure:

Positive Lead	Measurement / Action	Negative Lead
C1634-2	Courtesy of FORD MOTOR COMPANY	C1750B-42
C1634-3	Courtesy of FORD MOTOR COMPANY	C1750B-44
C1634-4	Courtesy of FORD MOTOR COMPANY	C1750B-43

Are the resistances less than 3 ohms?

Yes

GO to B13

No	REPAIR the circuit.

B13 CHECK THE HALL-EFFECT SIGNAL CIRCUITS FOR A SHORT TO GROUND

Measure:

Positive Lead	Measurement / Action	Negative Lead
C1634-2	Courtesy of FORD MOTOR COMPANY	Ground
C1634-3	Courtesy of FORD MOTOR COMPANY	Ground
C1634-4	Courtesy of FORD MOTOR COMPANY	Ground

Are the resistances greater than 10,000 ohms?

Yes

GO to B14

No	REPAIR the circuit.

B14 TEST FOR FAILED MECHANICAL COMPONENTS

Carry out GO to PINPOINT TEST N

Does PPT N indicate a failed component?

Yes	INSTALL new components as necessary.

No	INSTALL a new TCM . REFER to: Transmission Control Module (TCM) . PROGRAM the TCM with the latest calibration, REFER to: Transmission Control Module (TCM) Adaptive Learning .

B15 CHECK THE HALL-EFFECT SIGNAL CIRCUITS FOR A SHORT TO POWER

Ignition OFF.

Disconnect TCM C1750B .

Inspect the connector for damaged or pushed-out terminals, corrosion, loose wires and missing or damaged seals.

Ignition ON.

Measure:

Positive Lead	Measurement / Action	Negative Lead
C1634-2	Courtesy of FORD MOTOR COMPANY	Ground
C1634-3	Courtesy of FORD MOTOR COMPANY	Ground
C1634-4	Courtesy of FORD MOTOR COMPANY	Ground

Is any voltage present?

Yes	REPAIR the circuit.

No	SWAP clutch motor 2 with clutch motor 1 and GO to B16

B16 RUN COMPONENT TEST

Run the Component Test, REFER to: Special Testing Procedures . Clutch 2.

Are DTCs P087A, P087B and/or P087E still present?

Yes

GO to B17

If DTCs P0900, P0901, P0902 and/or P0903 are now present, confirmed DTCs have followed the clutch motor to the new location. INSTALL a new clutch motor 1. REFER to: Clutch Actuator Motor . CARRY OUT the Clutch Adaptive Learn, REFER to: Transmission Control Module (TCM) Adaptive Learning . Road test to verify operation.

B17 TEST FOR FAILED MECHANICAL COMPONENTS

Carry out GO to PINPOINT TEST N

Does PPT N indicate a failed component?

Yes	INSTALL new components as necessary.

No	INSTALL a new TCM . REFER to: Transmission Control Module (TCM) . PROGRAM the TCM with the latest calibration, REFER to:Transmission Control Module (TCM) Adaptive Learning .

B18 CHECK THE CLUTCH MOTOR 3 PHASE CIRCUITS FOR AN OPEN

Ignition OFF.

Disconnect TCM C1750B

Disconnect Clutch Motor 2 C1634

Inspect the connectors for damaged or pushed-out terminals, corrosion, loose wires and missing or damaged seals.

Measure:

Positive Lead	Measurement / Action	Negative Lead
C1634-5	Courtesy of FORD MOTOR COMPANY	C1750B-56
C1634-6	Courtesy of FORD MOTOR COMPANY	C1750B-2
C1634-7	Courtesy of FORD MOTOR COMPANY	C1750B-1
C1634-8	Courtesy of FORD MOTOR COMPANY	C1750B-3

Are the resistances less than 3 ohms on all circuits?

Yes

GO to B19

No	REPAIR the circuit.

B19 CHECK THE CLUTCH MOTOR 3 PHASE CIRCUITS FOR A SHORT TO GROUND

Measure:

Positive Lead	Measurement / Action	Negative Lead
C1634-6	Courtesy of FORD MOTOR COMPANY	Ground
C1634-7	Courtesy of FORD MOTOR COMPANY	Ground
C1634-8	Courtesy of FORD MOTOR COMPANY	Ground

Are the resistances greater than 10,000 ohms?

Yes	SWAP clutch motor 2 with clutch motor 1 and GO to B20

No	REPAIR the circuit.

B20 RUN COMPONENT TEST

Run the Component Test, Refer to Special Testing Procedures . Clutch 2.

Are DTCs P090A, P090B, P090C and/or P090D still present?

Yes	INSTALL a new TCM . REFER to: Transmission Control Module (TCM) . PROGRAM the TCM with the latest calibration, Refer to Transmission Control Module (TCM) Adaptive Learning .

If DTC s P0900, P0901, P0902 and/or P0903 are now present, confirm DTC s have followed the clutch motor to the new location. INSTALL a new clutch motor 1. REFER to: Clutch Actuator Motor . CARRY OUT the Clutch Adaptive Learn, REFER to: Transmission Control Module (TCM) Adaptive Learning Road test to verify operation.